""ET TROJAN JS/RAA Ransomware check-in""

SID: 2022899

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_06_15, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2016_06_15, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • 535494aa6ce3ccef7346b548da5061a9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".php?id="

  • Value: " - RAA"

  • Value: "WinHttp.WinHttpRequest"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

source